mirror of https://github.com/citusdata/citus.git
423 lines
13 KiB
PL/PgSQL
423 lines
13 KiB
PL/PgSQL
CREATE SCHEMA single_node;
|
|
SET search_path TO single_node;
|
|
SET citus.shard_count TO 4;
|
|
SET citus.shard_replication_factor TO 1;
|
|
SET citus.next_shard_id TO 90630500;
|
|
SET citus.replication_model TO 'streaming';
|
|
|
|
-- adding the coordinator as inactive is disallowed
|
|
SELECT 1 FROM master_add_inactive_node('localhost', :master_port, groupid => 0);
|
|
|
|
-- idempotently add node to allow this test to run without add_coordinator
|
|
SET client_min_messages TO WARNING;
|
|
SELECT 1 FROM master_add_node('localhost', :master_port, groupid => 0);
|
|
|
|
-- coordinator cannot be disabled
|
|
SELECT 1 FROM master_disable_node('localhost', :master_port);
|
|
|
|
RESET client_min_messages;
|
|
|
|
SELECT 1 FROM master_set_node_property('localhost', :master_port, 'shouldhaveshards', true);
|
|
|
|
CREATE TABLE test(x int, y int);
|
|
SELECT create_distributed_table('test','x');
|
|
|
|
CREATE TYPE new_type AS (n int, m text);
|
|
CREATE TABLE test_2(x int, y int, z new_type);
|
|
SELECT create_distributed_table('test_2','x');
|
|
|
|
CREATE TABLE ref(a int, b int);
|
|
SELECT create_reference_table('ref');
|
|
CREATE TABLE local(c int, d int);
|
|
|
|
|
|
-- Confirm the basics work
|
|
INSERT INTO test VALUES (1, 2), (3, 4), (5, 6), (2, 7), (4, 5);
|
|
SELECT * FROM test WHERE x = 1;
|
|
SELECT count(*) FROM test;
|
|
SELECT * FROM test ORDER BY x;
|
|
UPDATE test SET y = y + 1 RETURNING *;
|
|
WITH cte_1 AS (UPDATE test SET y = y - 1 RETURNING *) SELECT * FROM cte_1 ORDER BY 1,2;
|
|
|
|
-- we should be able to limit intermediate results
|
|
BEGIN;
|
|
SET LOCAL citus.max_intermediate_result_size TO 0;
|
|
WITH cte_1 AS (SELECT * FROM test OFFSET 0) SELECT * FROM cte_1;
|
|
ROLLBACK;
|
|
|
|
-- the first cte (cte_1) does not exceed the limit
|
|
-- but the second (cte_2) exceeds, so we error out
|
|
BEGIN;
|
|
SET LOCAL citus.max_intermediate_result_size TO '1kB';
|
|
INSERT INTO test SELECT i,i from generate_series(0,1000)i;
|
|
|
|
-- only pulls 1 row, should not hit the limit
|
|
WITH cte_1 AS (SELECT * FROM test LIMIT 1) SELECT count(*) FROM cte_1;
|
|
|
|
-- cte_1 only pulls 1 row, but cte_2 all rows
|
|
WITH cte_1 AS (SELECT * FROM test LIMIT 1),
|
|
cte_2 AS (SELECT * FROM test OFFSET 0)
|
|
SELECT count(*) FROM cte_1, cte_2;
|
|
ROLLBACK;
|
|
|
|
-- single shard and multi-shard delete
|
|
-- inside a transaction block
|
|
BEGIN;
|
|
DELETE FROM test WHERE y = 5;
|
|
INSERT INTO test VALUES (4, 5);
|
|
|
|
DELETE FROM test WHERE x = 1;
|
|
INSERT INTO test VALUES (1, 2);
|
|
COMMIT;
|
|
|
|
CREATE INDEX single_node_i1 ON test(x);
|
|
DROP INDEX single_node_i1;
|
|
|
|
BEGIN;
|
|
TRUNCATE test;
|
|
SELECT * FROM test;
|
|
ROLLBACK;
|
|
|
|
VACUUM test;
|
|
VACUUM test, test_2;
|
|
VACUUM ref, test;
|
|
VACUUM ANALYZE test(x);
|
|
ANALYZE ref;
|
|
ANALYZE test_2;
|
|
VACUUM local;
|
|
VACUUM local, ref, test, test_2;
|
|
VACUUM FULL test, ref;
|
|
|
|
BEGIN;
|
|
ALTER TABLE test ADD COLUMN z INT DEFAULT 66;
|
|
SELECT count(*) FROM test WHERE z = 66;
|
|
ROLLBACK;
|
|
|
|
-- explain analyze should work on a single node
|
|
EXPLAIN (COSTS FALSE, ANALYZE TRUE, TIMING FALSE, SUMMARY FALSE)
|
|
SELECT * FROM test;
|
|
|
|
-- common utility command
|
|
SELECT pg_size_pretty(citus_relation_size('test'::regclass));
|
|
|
|
-- basic view queries
|
|
CREATE VIEW single_node_view AS
|
|
SELECT count(*) as cnt FROM test t1 JOIN test t2 USING (x);
|
|
SELECT * FROM single_node_view;
|
|
SELECT * FROM single_node_view, test WHERE test.x = single_node_view.cnt;
|
|
|
|
-- copy in/out
|
|
BEGIN;
|
|
COPY test(x) FROM PROGRAM 'seq 32';
|
|
SELECT count(*) FROM test;
|
|
COPY (SELECT count(DISTINCT x) FROM test) TO STDOUT;
|
|
INSERT INTO test SELECT i,i FROM generate_series(0,100)i;
|
|
ROLLBACK;
|
|
|
|
-- alter table inside a tx block
|
|
BEGIN;
|
|
ALTER TABLE test ADD COLUMN z single_node.new_type;
|
|
|
|
INSERT INTO test VALUES (99, 100, (1, 'onder')::new_type) RETURNING *;
|
|
ROLLBACK;
|
|
|
|
-- prepared statements with custom types
|
|
PREPARE single_node_prepare_p1(int, int, new_type) AS
|
|
INSERT INTO test_2 VALUES ($1, $2, $3);
|
|
|
|
EXECUTE single_node_prepare_p1(1, 1, (95, 'citus9.5')::new_type);
|
|
EXECUTE single_node_prepare_p1(2 ,2, (94, 'citus9.4')::new_type);
|
|
EXECUTE single_node_prepare_p1(3 ,2, (93, 'citus9.3')::new_type);
|
|
EXECUTE single_node_prepare_p1(4 ,2, (92, 'citus9.2')::new_type);
|
|
EXECUTE single_node_prepare_p1(5 ,2, (91, 'citus9.1')::new_type);
|
|
EXECUTE single_node_prepare_p1(6 ,2, (90, 'citus9.0')::new_type);
|
|
|
|
PREPARE use_local_query_cache(int) AS SELECT count(*) FROM test_2 WHERE x = $1;
|
|
|
|
EXECUTE use_local_query_cache(1);
|
|
EXECUTE use_local_query_cache(1);
|
|
EXECUTE use_local_query_cache(1);
|
|
EXECUTE use_local_query_cache(1);
|
|
EXECUTE use_local_query_cache(1);
|
|
|
|
SET client_min_messages TO DEBUG2;
|
|
-- the 6th execution will go through the planner
|
|
-- the 7th execution will skip the planner as it uses the cache
|
|
EXECUTE use_local_query_cache(1);
|
|
EXECUTE use_local_query_cache(1);
|
|
|
|
RESET client_min_messages;
|
|
|
|
|
|
-- partitioned table should be fine, adding for completeness
|
|
CREATE TABLE collections_list (
|
|
key bigint,
|
|
ts timestamptz DEFAULT now(),
|
|
collection_id integer,
|
|
value numeric,
|
|
PRIMARY KEY(key, collection_id)
|
|
) PARTITION BY LIST (collection_id );
|
|
|
|
SELECT create_distributed_table('collections_list', 'key');
|
|
CREATE TABLE collections_list_0
|
|
PARTITION OF collections_list (key, ts, collection_id, value)
|
|
FOR VALUES IN ( 0 );
|
|
CREATE TABLE collections_list_1
|
|
PARTITION OF collections_list (key, ts, collection_id, value)
|
|
FOR VALUES IN ( 1 );
|
|
|
|
INSERT INTO collections_list SELECT i, '2011-01-01', i % 2, i * i FROM generate_series(0, 100) i;
|
|
SELECT count(*) FROM collections_list WHERE key < 10 AND collection_id = 1;
|
|
SELECT count(*) FROM collections_list_0 WHERE key < 10 AND collection_id = 1;
|
|
SELECT count(*) FROM collections_list_1 WHERE key = 11;
|
|
ALTER TABLE collections_list DROP COLUMN ts;
|
|
SELECT * FROM collections_list, collections_list_0 WHERE collections_list.key=collections_list_0.key ORDER BY 1 DESC,2 DESC,3 DESC,4 DESC LIMIT 1;
|
|
|
|
-- make sure that parallel accesses are good
|
|
SET citus.force_max_query_parallelization TO ON;
|
|
SELECT * FROM test_2 ORDER BY 1 DESC;
|
|
DELETE FROM test_2 WHERE y = 1000 RETURNING *;
|
|
RESET citus.force_max_query_parallelization ;
|
|
|
|
BEGIN;
|
|
INSERT INTO test_2 VALUES (7 ,2, (83, 'citus8.3')::new_type);
|
|
SAVEPOINT s1;
|
|
INSERT INTO test_2 VALUES (9 ,1, (82, 'citus8.2')::new_type);
|
|
SAVEPOINT s2;
|
|
ROLLBACK TO SAVEPOINT s1;
|
|
SELECT * FROM test_2 WHERE z = (83, 'citus8.3')::new_type OR z = (82, 'citus8.2')::new_type;
|
|
RELEASE SAVEPOINT s1;
|
|
COMMIT;
|
|
|
|
SELECT * FROM test_2 WHERE z = (83, 'citus8.3')::new_type OR z = (82, 'citus8.2')::new_type;
|
|
|
|
-- final query is only intermediate result
|
|
|
|
-- we want PG 11/12/13 behave consistently, the CTEs should be MATERIALIZED
|
|
SET citus.enable_cte_inlining TO FALSE;
|
|
WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1 ORDER BY 1,2;
|
|
|
|
-- final query is router query
|
|
WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1, test_2 WHERE test_2.x = cte_1.x AND test_2.x = 7 ORDER BY 1,2;
|
|
|
|
-- final query is a distributed query
|
|
WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1, test_2 WHERE test_2.x = cte_1.x AND test_2.y != 2 ORDER BY 1,2;
|
|
|
|
-- query pushdown should work
|
|
SELECT
|
|
*
|
|
FROM
|
|
(SELECT x, count(*) FROM test_2 GROUP BY x) as foo,
|
|
(SELECT x, count(*) FROM test_2 GROUP BY x) as bar
|
|
WHERE
|
|
foo.x = bar.x
|
|
ORDER BY 1 DESC, 2 DESC, 3 DESC, 4 DESC
|
|
LIMIT 1;
|
|
|
|
-- make sure that foreign keys work fine
|
|
ALTER TABLE test_2 ADD CONSTRAINT first_pkey PRIMARY KEY (x);
|
|
ALTER TABLE test ADD CONSTRAINT foreign_key FOREIGN KEY (x) REFERENCES test_2(x) ON DELETE CASCADE;
|
|
|
|
-- show that delete on test_2 cascades to test
|
|
SELECT * FROM test WHERE x = 5;
|
|
DELETE FROM test_2 WHERE x = 5;
|
|
SELECT * FROM test WHERE x = 5;
|
|
INSERT INTO test_2 VALUES (5 ,2, (91, 'citus9.1')::new_type);
|
|
INSERT INTO test VALUES (5, 6);
|
|
|
|
INSERT INTO ref VALUES (1, 2), (5, 6), (7, 8);
|
|
SELECT count(*) FROM ref;
|
|
SELECT * FROM ref ORDER BY a;
|
|
SELECT * FROM test, ref WHERE x = a ORDER BY x;
|
|
|
|
INSERT INTO local VALUES (1, 2), (3, 4), (7, 8);
|
|
SELECT count(*) FROM local;
|
|
SELECT * FROM local ORDER BY c;
|
|
SELECT * FROM ref, local WHERE a = c ORDER BY a;
|
|
|
|
-- Check repartion joins are supported
|
|
SET citus.enable_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET search_path TO public;
|
|
SET citus.enable_single_hash_repartition_joins TO OFF;
|
|
SELECT * FROM single_node.test t1, single_node.test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM single_node.test t1, single_node.test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET search_path TO single_node;
|
|
|
|
SET citus.task_assignment_policy TO 'round-robin';
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET citus.task_assignment_policy TO 'greedy';
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET citus.task_assignment_policy TO 'first-replica';
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
RESET citus.enable_repartition_joins;
|
|
RESET citus.enable_single_hash_repartition_joins;
|
|
|
|
-- INSERT SELECT router
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT x, y FROM test WHERE x = 1;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
|
|
-- INSERT SELECT pushdown
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT x, y FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT analytical query
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT count(x), max(y) FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT repartition
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT y, x FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from reference table into distributed
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT a, b FROM ref;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from local table into distributed
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT c, d FROM local;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT x, y FROM test;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT c, d FROM local;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT x, y FROM test;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT a, b FROM ref;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- Confirm that dummy placements work
|
|
SELECT count(*) FROM test WHERE false;
|
|
SELECT count(*) FROM test WHERE false GROUP BY GROUPING SETS (x,y);
|
|
-- Confirm that they work with round-robin task assignment policy
|
|
SET citus.task_assignment_policy TO 'round-robin';
|
|
SELECT count(*) FROM test WHERE false;
|
|
SELECT count(*) FROM test WHERE false GROUP BY GROUPING SETS (x,y);
|
|
RESET citus.task_assignment_policy;
|
|
|
|
SELECT count(*) FROM test;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT x, y FROM test;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT c, d FROM local;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT x, y FROM test;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT a, b FROM ref;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- query fails on the shards should be handled
|
|
-- nicely
|
|
SELECT x/0 FROM test;
|
|
|
|
-- Add "fake" pg_dist_transaction records and run recovery
|
|
-- to show that it is recovered
|
|
|
|
-- Temporarily disable automatic 2PC recovery
|
|
ALTER SYSTEM SET citus.recover_2pc_interval TO -1;
|
|
SELECT pg_reload_conf();
|
|
|
|
BEGIN;
|
|
CREATE TABLE should_commit (value int);
|
|
PREPARE TRANSACTION 'citus_0_should_commit';
|
|
|
|
-- zero is the coordinator's group id, so we can hard code it
|
|
INSERT INTO pg_dist_transaction VALUES (0, 'citus_0_should_commit');
|
|
SELECT recover_prepared_transactions();
|
|
|
|
-- the table should be seen
|
|
SELECT * FROM should_commit;
|
|
|
|
-- set the original back
|
|
ALTER SYSTEM RESET citus.recover_2pc_interval;
|
|
SELECT pg_reload_conf();
|
|
|
|
RESET citus.task_executor_type;
|
|
|
|
-- make sure undistribute table works fine
|
|
ALTER TABLE test DROP CONSTRAINT foreign_key;
|
|
SELECT undistribute_table('test_2');
|
|
SELECT * FROM pg_dist_partition WHERE logicalrelid = 'test_2'::regclass;
|
|
|
|
CREATE PROCEDURE call_delegation(x int) LANGUAGE plpgsql AS $$
|
|
BEGIN
|
|
INSERT INTO test (x) VALUES ($1);
|
|
END;$$;
|
|
SELECT * FROM pg_dist_node;
|
|
SELECT create_distributed_function('call_delegation(int)', '$1', 'test');
|
|
|
|
CREATE FUNCTION function_delegation(int) RETURNS void AS $$
|
|
BEGIN
|
|
UPDATE test SET y = y + 1 WHERE x < $1;
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
SELECT create_distributed_function('function_delegation(int)', '$1', 'test');
|
|
|
|
SET client_min_messages TO DEBUG1;
|
|
CALL call_delegation(1);
|
|
SELECT function_delegation(1);
|
|
|
|
SET client_min_messages TO WARNING;
|
|
DROP TABLE test CASCADE;
|
|
-- cannot remove coordinator since a reference table exists on coordinator and no other worker nodes are added
|
|
SELECT 1 FROM master_remove_node('localhost', :master_port);
|
|
|
|
-- Cleanup
|
|
DROP SCHEMA single_node CASCADE;
|
|
-- Remove the coordinator again
|
|
SELECT 1 FROM master_remove_node('localhost', :master_port);
|
|
-- restart nodeid sequence so that multi_cluster_management still has the same
|
|
-- nodeids
|
|
ALTER SEQUENCE pg_dist_node_nodeid_seq RESTART 1;
|